Packaging box



FIG. 1 is a perspective view of the packaging box showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view of the packaging box from another angle of view showing my new design; and,

FIG. 7 is an enlarged view of the portion labeled “7” framed in FIG. 1. 

CLAIM The ornamental design for a packaging box, as shown. 